81090561

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 118609920

約数和(自身を除く): 37519359

約数列:

[1, 3, 17, 43, 51, 103, 129, 309, 359, 731, 1077, 1751, 2193, 4429, 5253, 6103, 13287, 15437, 18309, 36977, 46311, 75293, 110931, 225879, 262429, 628609, 787287, 1590011, 1885827, 4770033, 27030187, 81090561]

約数ペア:

[(1, 81090561), (3, 27030187), (17, 4770033), (43, 1885827), (51, 1590011), (103, 787287), (129, 628609), (309, 262429), (359, 225879), (731, 110931), (1077, 75293), (1751, 46311), (2193, 36977), (4429, 18309), (5253, 15437), (6103, 13287)]